申请人:UBE Industries, Ltd.
公开号:US05178663A1
公开(公告)日:1993-01-12
Disclosed is a 3-alkoxyalkanoic acid compound represented by the following formula (I): ##STR1## wherein R.sup.1 represents a lower alkyl group, a lower alkenyl group, a lower alkynyl group, a cycloalkyl group, a halo-lower alkyl group or a cyano-lower alkyl group; R.sup.2 represents hydrogen atom or a lower alkyl group; R.sup.3 represents a lower alkyl group or a cycloalkyl group; or R.sup.2 and R.sup.3 are mutually bonded to represent a cycloalkyl group; R.sup.4 represents hydrogen atom, a lower alkyl group or a lower alkynyl group; R.sup.5 represents a lower alkoxy group, a lower alkyl group, a halogen atom or a halo-lower alkyl group; R.sup.6 represents a lower alkoxy group or a lower alkyl group; and X represents oxygen atom or sulfur atom, or an alkali addition salt thereof, processes for preparing the same and herbicides containing the same as an active ingredient(s).
本发明涉及一种由以下式(I)表示的3-烷氧基烷酸化合物:##STR1## 其中,R1代表较低的烷基、较低的烯基、较低的炔基、环烷基、卤代较低烷基或氰基较低烷基;R2代表氢原子或较低的烷基;R3代表较低的烷基或环烷基;或R2和R3相互结合成环烷基;R4代表氢原子、较低的烷基或较低的炔基;R5代表较低的烷氧基、较低的烷基、卤原子或卤代较低烷基;R6代表较低的烷氧基或较低的烷基;X代表氧原子或硫原子,或其碱性盐。本发明还涉及制备该化合物的方法和包含其作为活性成分的除草剂。